Which are the common functions of the nervous and endocrine systems?

Calcium plays a very important role in the formation of bones. Write about the role of endocrine glands and hormones responsible for maintaining calcium homeostasis.

Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$:
Assertion $A$: $FSH$ acts upon ovarian follicles in female and Leydig cells in male.
Reason $R$: Growing ovarian follicles secrete estrogen in female while interstitial cells secrete androgen in male human being.
In the light of the above statements,choose the correct answer from the options given below:

What is coordination?

Which of the following is the correct match for the hormone and its associated organ?

Which of the following statements is correct regarding the relationship between the neural system and the endocrine system?